If Blockchain assist usually are not ready that can assist you and you’ve got the 12-word “backup phrase” I imagine the most effective plan of action is emigrate to a brand new pockets.
By migrate wallets I imply use your backup phrase with pockets software program written by a distinct organisation. The one essential factor saved in a pockets is the non-public key generated from the backup phrase (additionally known as a seed phrase or restoration phrase). So any pockets that accommodates that key can be utilized to spend cash that has been acquired at addresses created from that key.
In case you are a frequent person of Blockchain’s different providers, equivalent to shopping for and promoting Bitcoin or different cryptocurrency buying and selling, you may not wish to do that. Nevertheless there are different exchanges that you could possibly use as an alternative.
There are a number of wallets which have a significantly better fame than the Blockchain wallets.
For instance see …
In addition to the backup phrase, it’s worthwhile to know the “derivation path” to your outdated pockets. The accepted reply to the linked query assumes a derivation path of m/44'/0'/0'/0.
As an alternative of importing the important thing to a brand new kind of pockets, it may be safer to sweep the keys into a brand new kind of pockets. Sweeping simply means utilizing the outdated key in a brand new pockets to create a Bitcoin transaction that transfers the cash to the management of a brand new key within the new pockets. In case you ever imported further private-keys into the outdated pockets you’d additionally need to both repeat that and import these further keys to the brand new pockets or as an alternative sweep these keys into the brand new pockets. Given your scenario I might not sweep any keys in any respect till sure of the derivation path of your outdated pockets, it might be most secure to first attempt importing the keys utilizing the backup phrase and, as soon as the whole lot is working, then transfer the cash to new keys.
If all this appears too difficult, you would possibly moderately conclude that Bitcoin will not be for you.